mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2025-04-16 18:30:12 +02:00
73 lines
3.0 KiB
C
73 lines
3.0 KiB
C
|
|
// Count the number of arguments
|
|
#define FOR_EACH_NARG(...) FOR_EACH_NARG_HELPER(__VA_ARGS__,8,7, 6,5,4, 3, 2, 1, 0)
|
|
#define FOR_EACH_NARG_HELPER(_1, _2, _3, _4, _5, _6, _7, _8, N, ...) N
|
|
|
|
// Step 2: Force proper expansion (extra indirection to resolve `##`)
|
|
#define EXPAND(x) x
|
|
#define CONCAT(a, b) a##b
|
|
|
|
|
|
#define ZZZ(_i,_arg) \
|
|
if ( #_arg[0]<='Z' && p[_i]!=CONCAT(#_arg,_hk)) break; \
|
|
auto _arg=p[_i]; (void) _arg;
|
|
|
|
// Each ZZ terminates the previous one
|
|
#define ZPREP(op,count) return true; } if (opcode==#op[0] && params==count) for (;;) {
|
|
#define Z1(op) ZPREP(op,0)
|
|
#define Z2(op,_1) ZPREP(op,1) ZZZ(0,_1)
|
|
#define Z3(op,_1,_2) ZPREP(op,2) ZZZ(0,_1) ZZZ(1,_2)
|
|
#define Z4(op,_1,_2,_3) ZPREP(op,3) ZZZ(0,_1) ZZZ(1,_2) ZZZ(2,_3)
|
|
#define Z5(op,_1,_2,_3,_4) ZPREP(op,4) ZZZ(0,_1) ZZZ(1,_2) ZZZ(2,_3) ZZZ(3,_4)
|
|
#define Z6(op,_1,_2,_3,_4,_5) ZPREP(op,5) ZZZ(0,_1) ZZZ(1,_2) ZZZ(2,_3) ZZZ(3,_4) ZZZ(4,_5)
|
|
#define Z7(op,_1,_2,_3,_4,_5,_6) ZPREP(op,6) ZZZ(0,_1) ZZZ(1,_2) ZZZ(2,_3) ZZZ(3,_4) ZZZ(4,_5) ZZZ(5,_6)
|
|
#define Z8(op,_1,_2,_3,_4,_5,_6,_7) ZPREP(op,7) ZZZ(0,_1) ZZZ(1,_2) ZZZ(2,_3) ZZZ(3,_4) ZZZ(4,_5) ZZZ(5,_6) ZZZ(6,_7)
|
|
|
|
#define ZRIP(count) CONCAT(Z,count)
|
|
|
|
#define ZC1(op)
|
|
#define ZC2(op,_1) ZZCHK(0,_1)
|
|
#define ZC3(op,_1,_2) ZZCHK(0,_1) ZZCHK(1,_2)
|
|
#define ZC4(op,_1,_2,_3) ZZCHK(0,_1) ZZCHK(1,_2) ZZCHK(2,_3)
|
|
#define ZC5(op,_1,_2,_3,_4) ZZCHK(0,_1) ZZCHK(1,_2) ZZCHK(2,_3) ZZCHK(3,_4)
|
|
#define ZC6(op,_1,_2,_3,_4,_5) ZZCHK(0,_1) ZZCHK(1,_2) ZZCHK(2,_3) ZZCHK(3,_4) ZZCHK(4,_5)
|
|
#define ZC7(op,_1,_2,_3,_4,_5,_6) ZZCHK(0,_1) ZZCHK(1,_2) ZZCHK(2,_3) ZZCHK(3,_4) ZZCHK(4,_5) ZZCHK(5,_6)
|
|
#define ZC8(op,_1,_2,_3,_4,_5,_6,_7) ZZCHK(0,_1) ZZCHK(1,_2) ZZCHK(2,_3) ZZCHK(3,_4) ZZCHK(4,_5) ZZCHK(5,_6) ZZCHK(6,_7)
|
|
#define ZCRIP(count) CONCAT(ZC,count)
|
|
|
|
#define ZZ(...) \
|
|
ZRIP(FOR_EACH_NARG(__VA_ARGS__))(__VA_ARGS__) \
|
|
DCCEXParser::matchedCommandFormat = F( #__VA_ARGS__); \
|
|
ZCRIP(FOR_EACH_NARG(__VA_ARGS__))(__VA_ARGS__)
|
|
|
|
|
|
|
|
#define ZZBEGIN if (false) {
|
|
#define ZZEND return true; } return false;
|
|
#define CHECK(x,...) if (!(x)) { DCCEXParser::checkFailedFormat=#__VA_ARGS__[0]?F(#__VA_ARGS__):F(#x); return false;}
|
|
#define REPLY(format,...) StringFormatter::send(stream,F(format), ##__VA_ARGS__);
|
|
#define EXPECT_CALLBACK CHECK(stashCallback(stream, p, ringStream))
|
|
// helper macro to hide command from documentation extractor
|
|
#define ZZ_nodoc ZZ
|
|
|
|
#define ZCHECK(_checkname,_index,_pname,_min,_max) \
|
|
if (CONCAT(#_pname,_hk) == CONCAT(#_checkname,_hk) \
|
|
&& (p[_index]<_min || p[_index]>_max)) CHECK(false,_checkname _min .. _max)
|
|
|
|
// Automatic range checks based on name of inserted parameter
|
|
#define ZZCHK(_index,_pname)\
|
|
ZCHECK(loco,_index,_pname,0,10239) \
|
|
ZCHECK(track,_index,_pname,'A','H') \
|
|
ZCHECK(cv,_index,_pname,1,255) \
|
|
ZCHECK(value,_index,_pname,0,255) \
|
|
ZCHECK(bit,_index,_pname,0,7) \
|
|
ZCHECK(bitvalue,_index,_pname,0,1) \
|
|
ZCHECK(crapvalue,_index,_pname,99,100) \
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|